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-   -   AC unit comes on no air blowing in house (https://www.askmehelpdesk.com/showthread.php?t=483600)

  • Jun 28, 2010, 02:06 PM
    pageww
    AC unit comes on no air blowing in house
    My AC unit is not blowing air inside house.. external unit comes on and fan also comes on. The internal fan works with heat turned on.
  • Jun 28, 2010, 06:44 PM
    hvac1000
    Usually a defective indoor blower A/C fan relay.
  • Jun 29, 2010, 05:47 AM
    pageww

    Is that expensive and difficult to replace
  • Jun 29, 2010, 06:20 AM
    Stratmando

    I would verify at thermostat or air handler voltage on Fan wire when set to cool as well.
  • Jun 29, 2010, 09:58 AM
    pageww

    You're correct it is the fan relay board
  • Jun 29, 2010, 02:42 PM
    hvac1000
    Yep

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